In recent years, the retirement age for public pensions has increased across many countries, and additional increases are in progress or under discussion in many more. The seventh stage of an ongoing research project studying the relationship between social security programs and labor force...

Even as life expectancy in many countries has continued to increase, social security and similar government programs can provide strong incentives for workers to leave the labor force when they reach the age of eligibility for benefits. Disability insurance programs can also play a significant...

Demographic change has differential impacts on the welfare of current and future generations. In a simple closed economy, aging -- a relative scarcity of young workers -- increases wages, increasing the welfare of the young. At the same time, population aging will reduce rates of return to...